OpenAPI Specification 3.1.0 Released

OpenAPI Specification 3.1.0 Released

The OpenAPI Initiative, the consortium of forward-looking industry experts focused on creating, evolving and promoting the OpenAPI Specification (OAS), a vendor-neutral, open description format for HTTP (including RESTful) APIs, announced today that the OpenAPI Specification 3.1.0 has been released. This new version now supports 100% compatibility with the latest draft (2020-12) of JSON Schema.

Along with this release, the OpenAPI Initiative has sponsored the creation of new documentation to make it easier to understand the structure of the specification and its benefits.

The OpenAPI Specification is a broadly adopted industry standard for describing modern APIs. It defines a standard, programming language-agnostic interface description for HTTP APIs which allows both humans and computers to discover and understand the capabilities of a service without requiring access to source code, additional documentation, or inspection of network traffic.

The OpenAPI Specification (OAS) is used by organizations worldwide including Atlassian, Bloomberg, eBay, Google, IBM, Microsoft, Oracle, Postman, SAP, SmartBear, Vonage, and many more.

“The benefits of using the OpenAPI Specification are broadly applicable, ranging from API lifecycle management, to documentation, to security, to microservices development and much, much more,” said Marsh Gardiner, Product Manager, Google, and Technical Steering Committee, OpenAPI Initiative.

“Great care was taken in evolving to version 3.1.0 to ensure it is an incremental upgrade for existing users, while also making it an excellent candidate for immediate evaluation and adoption in corporate environments. We extend our heartfelt gratitude to the diverse group of contributors for all their exceptional skills and effort on our latest achievement.”

“The mismatch between OpenAPI JSON Schema-like structures and JSON Schema itself has long been a problem for users and implementers. Full alignment of OpenAPI 3.1.0 with JSON Schema draft 2020-12 will not only save users much pain, but also ushers in a new standardised approach to schema extensions,” said Ben Hutton, JSON Schema project lead.

“We’ve spent the last few years (and release) making sure we can clearly hear and understand issues the community faces. With our time limited volunteer based effort, not only have we fixed many pain points and added new features, but JSON Schema vocabularies allows for standards to be defined which cater for use cases beyond validation, such as the generation of code, UI, and documentation.

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On Day One of JSON Schema draft 2020-12 being released, two implementations were ready. It’s humbling to work with such an experienced and skilled team.”

While JSON Schema is still technically a “draft” specification, draft 2020-12 sets a new stable foundation on which 3rd parties can build standardised extensions. The JSON Schema team do not foresee any major changes to the approach of the extension system, like dialects and vocabularies. However, the utility may be improved as feedback is received.

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